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Core #1 Part B
Pesticide Names, Groups and Formulations
Question | Answer |
---|---|
How are Pesticides most commonly classified? | 1. Target Pest 2. Inherent Properties (how the work) 3. Affect on Pest 4. Chemical Family/resistance management/mode of action groups |
What is the target pest of an acaricide? | Spiders and Mites |
What is the target pest of an algicide? | Algae |
What is the target pest of an avicide? | Birds |
What is the target pest of a bactericide? | Bacteria |
What is the target pest of a fungicide? | Fungi |
What is the target pest of a herbicide? | Weeds |
What is the target pest of an insecticide? | Insects |
What is the target pest of a miticide? | mites |
What is the target pest of a molluscicide? | slugs and snails |
What is the target pest of a nematicide? | nematodes and roundworms |
What is the target pest of a piscicide? | fish |
What is the target pest of a rodenticide? | mice and rats |
T/F; Common sub-groupings within the grouping "Inherent Properties include; route of entry, selectivity and residual effectiveness. | True |
Define "Systemic Pesticides"? | Control their targets by entering and moving through the organism. |
T/F; Weeds receiving only a partial spray coverage cannot be killed by systemic herbicides. | False |
T/F; Insects may be killed as they feed on the juices which carry a systemic insecticide through a plant. | True |
Define " Contact Pesticides"? | Control targets by direct contact. |
T/F; A contact insecticide destroys insects when they are sprayed directly on the insect but will not destroy insects that crawl across surfaces sprayed with the insecticide. | False |
Define "Selective Pesticides"? | A pesticide that affects the target but no other organisms. |
Define "Non-selective Pesticides"? | Affects the target pest as well as many other pests. |
T/F; Chlorpyrifos is an example of a non-selective pesticide. | True, It kills most insects,birds wildlife and is extremely toxic to aquatic organisms. |
What is the difference between a residual and non-residual pesticide? | Residual pesticides affect organisms for a long time after application (eg; wood preservatives) while non-residual pesticides only affect organisms at the time of application (eg. insecticidal and herbicidal soaps only work when wet) |
T/F; Groupings based on how pesticides affect pests include; Attractants, Defoliants, Desicants, Feeding stimulants and suffocants | True |
What is the significance of grouping pesticides by "Chemical Family/Resistance Management/Modes of Action"? | Chemical families are similar in; poisoning symptoms, persistence within the environment, and the way they influence pest resistance. |
What chemical family does chlorpyrifos belong to? | Organophosphates |
What chemical family does 2,4-D belong to? | Phenoxys |
What chemical family does carbaryl belong to? | Carbamates |
What chemical family does atrazine belong to? | Triazines |